diff --git a/build_library/toolchain_util.sh b/build_library/toolchain_util.sh
index 92e4df9f95..87e5a25df4 100644
--- a/build_library/toolchain_util.sh
+++ b/build_library/toolchain_util.sh
@@ -181,7 +181,7 @@ _get_dependency_list() {
 
     PORTAGE_CONFIGROOT="$ROOT" emerge "$@" --pretend \
         --emptytree --root-deps=rdeps --onlydeps --quiet | \
-        sed -e 's/.*\] \([^ :]*\).*/=\1/' |
+        sed -e 's/[^]]*\] \([^ :]*\).*/=\1/' |
         egrep -v "(=$(echo "${pkgs[*]}")-[0-9])"
 }